Home / 5,754.47-8,631.09-1,857.96

Finding the Fourth Proportional to 5,754.47, 8,631.09 and 1,857.96

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Solution

The fourth proportional to 5,754.47, 8,631.09 and 1,857.96 is: 2,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.47 : 8,631.09 = 1,857.96 : x
  2. Step 2: Convert to fraction form
    5,754.47/8,631.09 = 1,857.96/x
  3. Step 3: Cross multiply
    5,754.47x = 8,631.09 × 1,857.96
  4. Step 4: Simplify right side
    5,754.47x = 16,036,219.98
  5. Step 5: Solve for x
    x = 16,036,219.98/5,754.47
  6. Step 6: Final answer
    x = 2,786.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.